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what is Varactoe diode in fm modulation? In 5 sentences, What is Varactoe diode in fm...

what is Varactoe diode in fm modulation?

In 5 sentences, What is Varactoe diode in fm modulation?

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Answer #1
  1. Varactor diode is linearly doped voltage control capacitor diode which is used in reversed bias.
  2. Varactor diode Capacitance can be change by changing reverse bias voltage which effects frequency and in frequency modulation signal frequency is modulated according to input signal voltage.
  3. Varactor diode is placed in Hartley's oscillator which control the frequency according to Capacitance.
  4. Oscillator frequency is
  5. As voltage of input signal changes Capacitance of varactor diode will change which will change the signal frequency results in frequency modulation.
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